script/dom/webxr/
xrhittestresult.rs

1/* This Source Code Form is subject to the terms of the Mozilla Public
2 * License, v. 2.0. If a copy of the MPL was not distributed with this
3 * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
4
5use dom_struct::dom_struct;
6use webxr_api::HitTestResult;
7
8use crate::dom::bindings::codegen::Bindings::XRHitTestResultBinding::XRHitTestResultMethods;
9use crate::dom::bindings::reflector::{DomGlobal, Reflector, reflect_dom_object};
10use crate::dom::bindings::root::{Dom, DomRoot};
11use crate::dom::window::Window;
12use crate::dom::xrframe::XRFrame;
13use crate::dom::xrpose::XRPose;
14use crate::dom::xrspace::XRSpace;
15use crate::script_runtime::CanGc;
16
17#[dom_struct]
18pub(crate) struct XRHitTestResult {
19    reflector_: Reflector,
20    #[no_trace]
21    result: HitTestResult,
22    frame: Dom<XRFrame>,
23}
24
25impl XRHitTestResult {
26    fn new_inherited(result: HitTestResult, frame: &XRFrame) -> XRHitTestResult {
27        XRHitTestResult {
28            reflector_: Reflector::new(),
29            result,
30            frame: Dom::from_ref(frame),
31        }
32    }
33
34    pub(crate) fn new(
35        window: &Window,
36        result: HitTestResult,
37        frame: &XRFrame,
38        can_gc: CanGc,
39    ) -> DomRoot<XRHitTestResult> {
40        reflect_dom_object(
41            Box::new(XRHitTestResult::new_inherited(result, frame)),
42            window,
43            can_gc,
44        )
45    }
46}
47
48impl XRHitTestResultMethods<crate::DomTypeHolder> for XRHitTestResult {
49    /// <https://immersive-web.github.io/hit-test/#dom-xrhittestresult-getpose>
50    fn GetPose(&self, base: &XRSpace, can_gc: CanGc) -> Option<DomRoot<XRPose>> {
51        let base = self.frame.get_pose(base)?;
52        let pose = self.result.space.then(&base.inverse());
53        Some(XRPose::new(
54            self.global().as_window(),
55            pose.cast_unit(),
56            can_gc,
57        ))
58    }
59}